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332846 (2010 EW139)
Classification: Main-belt Asteroid          SPK-ID: 2332846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04616131157419879 5.2472e-08  
a 2.621757905721513 2.1017e-08 au
q 2.500734122163384 1.4565e-07 au
i .3338378676834157 5.1238e-06 deg
node 243.9644631485919 0.00077719 deg
peri 137.8962730197879 0.00077881 deg
M 306.6128350563177 5.2263e-05 deg
tp 2459230.443778917392
(2021-Jan-15.94377892)
0.00022589 TDB
period 1550.555465861219
4.25
1.8645e-05
5.105e-08
d
yr
n .2321748611553516 2.7918e-09 deg/d
Q 2.742781689279643 2.1987e-08 au
  Orbit Determination Parameters
   # obs. used (total)      286  
   data-arc span      9963 days (27.28 yr)  
   first obs. used      1993-04-18  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:13:28  

Additional Information
 Earth MOID = 1.50292 au 
 Jupiter MOID = 2.45319 au 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO437418  

332846 (2010 EW139)          Discovered 2004-Dec-12 by Spacewatch at Kitt Peak
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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